Buffet



FIG. 1 is a front perspective view of a buffet showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view, the opposite side being a mirror image thereof; and,

FIG. 4 is a top view thereof.

The broken lines showing the knobs are for illustrative purposes and form no part of the claimed design. 

The ornamental design for a buffet, as shown and described. 